1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* $NetBSD: parser.h,v 1.17 2004/06/26 22:09:49 dsl Exp $ */ 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/*- 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (c) 1991, 1993 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * The Regents of the University of California. All rights reserved. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * This code is derived from software contributed to Berkeley by 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Kenneth Almquist. 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * documentation and/or other materials provided with the distribution. 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * may be used to endorse or promote products derived from this software 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * without specific prior written permission. 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * SUCH DAMAGE. 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * @(#)parser.h 8.3 (Berkeley) 5/4/95 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* control characters in argument strings */ 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTL_FIRST '\201' /* first 'special' character */ 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLESC '\201' /* escape next character */ 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLVAR '\202' /* variable defn */ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLENDVAR '\203' 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLBACKQ '\204' 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLQUOTE 01 /* ored with CTLBACKQ code if in quotes */ 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* CTLBACKQ | CTLQUOTE == '\205' */ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLARI '\206' /* arithmetic expression */ 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLENDARI '\207' 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLQUOTEMARK '\210' 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTLQUOTEEND '\211' /* only inside ${...} */ 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CTL_LAST '\211' /* last 'special' character */ 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* variable substitution byte (follows CTLVAR) */ 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSTYPE 0x0f /* type of variable substitution */ 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSNUL 0x10 /* colon--treat the empty string as unset */ 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSQUOTE 0x80 /* inside double quotes--suppress splitting */ 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* values of VSTYPE field */ 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSNORMAL 0x1 /* normal variable: $var or ${var} */ 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSMINUS 0x2 /* ${var-text} */ 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSPLUS 0x3 /* ${var+text} */ 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSQUESTION 0x4 /* ${var?message} */ 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSASSIGN 0x5 /* ${var=text} */ 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSTRIMLEFT 0x6 /* ${var#pattern} */ 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSTRIMLEFTMAX 0x7 /* ${var##pattern} */ 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSTRIMRIGHT 0x8 /* ${var%pattern} */ 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSTRIMRIGHTMAX 0x9 /* ${var%%pattern} */ 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define VSLENGTH 0xa /* ${#var} */ 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * NEOF is returned by parsecmd when it encounters an end of file. It 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * must be distinct from NULL, so we use the address of a variable that 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * happens to be handy. 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int tokpushback; 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define NEOF ((union node *)&tokpushback) 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int whichprompt; /* 1 == PS1, 2 == PS2 */ 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectunion node *parsecmd(int); 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid fixredir(union node *, const char *, int); 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint goodname(char *); 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectconst char *getprompt(void *); 83